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I'm using a Lenovo G50-80 and i installed Ubuntu 16.04 LTS last week, but for some reason i can't connect it to wifi without ethernet.

I've tried a handful of different options on this forum, but the option to enable wifi on the top bar still won't appear

Here's my Wireless-info: http://www.mediafire.com/download/3z77zh746ezdvvy/wireless-info.txt

thank you

DrewTheRedPoochyena
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  • http://i.imgur.com/2xIFqWY.png this is what my connection panel looks like. the option to enable wi-fi is not there. i checked to make sure it's not hard-locked. – DrewTheRedPoochyena May 01 '16 at 23:25
  • This suggests that the correct driver isn't being loaded. Please open a terminal and do: sudo modprobe wl && dmesg | grep wl Please paste the result here and give us the link: http://paste.ubuntu.com – chili555 May 02 '16 at 14:09
  • i got an error message saying "modprobe: ERROR: could not insert 'wl': Required key not available" – DrewTheRedPoochyena May 03 '16 at 01:19

1 Answers1

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With the ethernet temporarily connected, please open a terminal and do:

sudo apt-get install --reinstall bcmwl-kernel-source

After it completes, detach the ethernet and reboot. If the wireless is not working, please show us:

sudo modprobe wl && dmesg | grep wl
chili555
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  • sorry for the long wait. i did it and it still doesn't work. when i try the modprobe command it still gives me "modprobe: ERROR: could not insert 'wl': Required key not available" – DrewTheRedPoochyena May 17 '16 at 19:49
  • Please see: http://askubuntu.com/questions/770490/broadcom-wireless-drivers-unclaimed-after-installing-update-16-04/770774#770774 – chili555 May 22 '16 at 20:13